Turkish President Erdogan arrives in Saudi Arabia

RIYADH, SAUDI ARABIA - FEBRUARY 13: Turkish President Recep Tayyip Erdogan and his wife Emine Erdogan are welcomed by Saudi King Salman bin Abdulaziz Al Saud upon their arrival at Riyadh Air Base in Riyadh, Saudi Arabia on February 13, 2017. Turkish President Erdogan is on a four-day three-nation Gulf tour, including Bahrain, Saudi Arabia, and Qatar. (Footage by Bayram Akkaya/Anadolu Agency/Getty Images)